BE395929A - - Google Patents
Info
- Publication number
- BE395929A BE395929A BE395929DA BE395929A BE 395929 A BE395929 A BE 395929A BE 395929D A BE395929D A BE 395929DA BE 395929 A BE395929 A BE 395929A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
- H04M17/023—Circuit arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Prepayment Telephone Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR757534T | 1932-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE395929A true BE395929A (fr) |
Family
ID=9166183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE395929D BE395929A (fr) | 1932-09-28 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE395929A (fr) |
| FR (1) | FR757534A (fr) |
| GB (1) | GB417524A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2676209A (en) * | 1949-09-01 | 1954-04-20 | Bell Telephone Labor Inc | Coin-controlled telephone system in which tariff rates for telephone calls are audibly transmitted automatically to a calling subscriber |
-
0
- BE BE395929D patent/BE395929A/xx unknown
-
1932
- 1932-09-28 FR FR757534D patent/FR757534A/fr not_active Expired
-
1933
- 1933-04-07 GB GB10432/33A patent/GB417524A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB417524A (en) | 1934-10-08 |
| FR757534A (fr) | 1933-12-28 |